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家 在线测试 CES Dry cargo Deck Support Test online CES 5.1 for Deck department, Support level, Dry cargo vessel
在线测试： Test online CES 5.1 for Deck department, Support level, Dry cargo vessel
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*What is (are) the basic component(s) of a Fire detection system?
the detector heads
The control unit
The power supply
All the alternatives mentioned
A received DSC ‘distress alert’ contains the following information: “UNDESIGNATED DISTRESS” Of this distress case:
Don't know
time is unknown
the position is unknown
the nature of distress is unknown
On board they want to establish telex-communication via the Inmarsat-set with the ship Appologracht. In the guides the following ID’s are found for the Appologracht: 244320000, 424432010, 424432020, 1300210, 36715. What ID should chosen:
244320000
1300210
Don't know
36715
What is full form of VRP (OPA-90)
Vessel Report Plan
Vessel Response Procurement
Vessel Reporting Procedures
Vessel Response Plan
After the start of a man overboard manoeuvre, whom shall be informed?
Chief Officer
Electrician
Engine Room
Galley
You are Sen.Off.Deck on vessel "A" and your cargo is iron ore. The vessel is in narrow waters and you have been in a collision with vessel "B" causing your vessel to take in water. How will you act to save the vessel and the cargo?
Call main office for help
Navigate the vessel on ground as soon as possible
Call tug boats for help
Try to discharge the incoming water
Your vessel is going alongside a pier. Two tugs will assist at the mooring. How would you use the tugs, and at which position?
Pushing on ship-s flat side and make fast in the vessel for pulling if needed
One made fast forward for pulling, one pushing aft
Fast FWD and AFT in center lead
Pushing on ship-s flat side not made fast to be able to move in best position if needed
Stainless steel tanks are sometimes required to be "passivated" especially after tank surface repairs have been carried out and aggressive cargoes are to be loaded. "Passivation" normally consists of:
Grinding off any corrosion spot with a grinding disc of about "80 grain"?
Spraying concentrated hydrofluoric acids in the tank and then wiping it off?
Applying 12 - 15% nitric acid on tank surfaces, either with a brush or spray; then washing off after 10 - 20 minutes using copious amounts of fresh water?
Cleaning the tank by application of caustic soda on all surfaces, then washing it off?
What effect would turbulent fluid flow through a heat exchanger have on the efficiency of the heat transfer?
Turbulent fluid flow generally reduces heat transfer efficiency
Heat transfer efficiency is not affected by the type of fluid flow through the heat exchanger.
Turbulent fluid flow generally increases heat transfer efficiency.
It cannot be determined since it is not possible to generate turbulent fluid flow through a heat exchanger?
Which electronic component is this graphical symbol illustrating:
Temperature sensor
Capacitor
Resistance
Transformer
What will happen with the interface in the bowl, if the flow is too high?
The separation of the oil is bad.
The separation of the oil is good.
Will have no effect on interface.
Broken water seal.
What will a cadet find in the maintenance manual?
A Cadet will find a lubricating chart in the maintenance manual
A Cadet will find grease nipples in the maintenance manual
A Cadet will find machinery spare parts in the maintenance manual
A Cadet will find grease in the maintenance manual
What is the minimum number of independently driven fire pumps that must be provided on passenger ships of 4000 tons gross tonnage and upwards?
5
2
4
3
For what purpose are we using a Mollier diagram?
We use the Mollier diagram to calculate the differential pressure over the cooling plant.
We use the Mollier diagram to calculate the heat transferred to the cooling plant.
We use the Mollier diagram to calculate the vapour flow in the cooling plant.
We use the Mollier diagram to calculate the cooling capacity of the cooling plant.
What must be observed when checking cargo lashing belts on a General Cargo Vessel?
The strength of lashing belts securing a particular item of cargo
The belt manufacturer's instructions
The number of lashing belts used to lash a particular item of cargo
That they are not torn
Where is the acceptable location to smoke while on duty, or working in a cargo deck stowed with containers?
The designated smoking area inside the accommodation or on deck?
Smoke close to an entrance to the cargo deck?
Carefully smoke outside the container stowage area?
There is no smoking allowed while on duty?
During the 5-yearly overhaul and operational test of a lifeboat on-load release gear, to what level should the gear be load tested?
0.8 times the total mass of the lifeboat when loaded with its full complement of persons, equipment and stores.
1.25 times the total mass of the lifeboat when loaded with its full complement of persons and equipment.
1.1 times the total mass of the lifeboat when loaded with its full complement of persons and equipment.
The equivalent to the total mass of the lifeboat when loaded with its full complement of persons and equipment.
What is the purpose of the "forcing vaporizer"?
To provide gas for burning in the boiler.
For initial heating in the insulating spaces.
Discharge cargo without vapour return from shore.
To displace inert gas from cargo tanks.
On a General Cargo ship in the United States, what will be the consequences of a ship's failure to correct an unsafe stevedore working practice?
The duty officer will be arrested
The ship will be prosecuted
The port will lodge a protest against the ship
The master will be arrested
A steward reaches into a sink filled with soapy water to remove the plug. He cuts his hand on a carving knife lying in the bottom. What policy will best eliminate the chance of this kind of accident happening again while still maintaining hygiene standards?
Everymember of the galley staff is made responsible for washing their own knives.
Heavy duty gloves are to be worn when working at the sink.
Detergent shall not be used if knives are to be washed.
There is a dedicated sink for washing knives.
What does crude oil consist of?
A natural mixture of carbon and sulphur isomers.
A mixture of carbon extracts and naturally occuring wax.
A natural mixture of simple and complex hydrocarbon compounds.
A refined blend of hydrocarbon compounds and sulphur extracts.
What are some of the precautions that must be taken on a bulk carrier, before double - bottom tanks can be ballasted with sea water?
After peak tank and fore peak tank filled first
Correct valves opened, air ventilators open and ballasting plan agreed.
Cargo spaces empty of cargo
All hatch covers secured for sea
What do you understand by the term Slewing?
Making the grab bucket/hook move up and down.
Making the complete crane move port and starboard.
Making the crane jib move up and down.
Making the crane jib move from side to side.
Why is it considered good practice to have a duty crew member stand by the loading ramp?
To guide ro-ro units onto the vessel
To supervise the stevedores
o record the nature and extent of any pre-loading damages to cargo
To supervise the rate of loading
A death of one of the ship’s crew occurs on board whilst the vessel is at sea, what actions must you legally take?
Confirm death. Have body moved to a freezer compartment. Contact local agent and British Consul as appropriate. Complete Births and Deaths section of Official log book. Sign seaman off in his absence. Make an entry in the deck log book detailing actions
Confirm death. Notify next-of-kin. Make an entry in the narrative section of the Official log book, sign seaman off in his absence Notify agent and British Consul when abroad. Have belongings collected and packed by two crew members, and making three copi
Confirm death. Contact local agent and arrange to have body medi-vacced from vessel. Notify company. Complete births and deaths section of official log book. Arrange for relief at next port . Sign seaman off in his absence.
First aspect confirm death. Notify company, and make arrangements for notification of next-of-kin. Arrange to have body moved to freezer area. Notify local agents and British Consul when abroad. Complete Births and Deaths section of Official Log book. Ma
The Master arrives on the bridge obviously under the influence of alcohol and states he is taking over the "con" of the ship. What actions should the Officer of the Watch (OOW) take in this situation?
Tell the Master you do not think this is a good idea and retain control of the watch.
Watch the actions made by the Master and if not dangerous, wait until the Master becomes more capable to take control or leaves the bridge
Tell the Master you consider him incapable of taking over the responsibility of the watch and that he should retire to his cabin and sleep it off.
Attempt to diplomatically avoid taking any actions that would put the ship or crew into danger and call the Chief Officer for assistance.
The figure shows a silicon controlled rectifier with a RC circuit connected in parallel. RC circuit is often used in such connection. For which purpose?
Protect the SCR against damage caused by high voltage spikes
Obtain current resonance
Measuring the current through the SCR
Delay the ignition of the SCR
On a container vessel select from the list the direction of wave encounter which is most likely to cause a parametric roll.
Head seas
On the beam.
Broad on the bow, just forward of the beam.
bow or stern quartering
Who is responsible for the regular security inspections of the ship?
The Company Security Officer
The Classification Society.
The Ship Security Officer
The Port Facility Security Officer
When carrying high sulphur coal which areas of a cargo hold are prone to corrosion?
Steelwork with which dry cargo is in contact
Air and sounding pipes passing through the hold
Steelwork with which wet cargo is in contact
All steelwork
What temperature defines "hot" water in the context of tank washing on a chemical tanker?
A minimum of 10 degrees Celsius above the discharge temperature of the cargo.
At least 40 degrees Celsius.
At least 60 degrees Celsius.
At least 70 degrees Celsius.
An emergency situation on board must be reported to the company by:
The fastest means available
The Sat-C
The email to save cost
The Telex to have a record
What is the main use for polyurethane foam onboard an LNG carrier?
As a fire retardant coating for the deck.
As a fire fighting medium.
As insulation for the cargo tanks.
As a sealant for deck openings.
PT-100 sensors are some times used with 3 or even 4 wires. What is the reason for this?
Because of power-consumption.
Higher mechanically strength of the cable.
For fault indication.
Higher measuring accuracy.
Which of the following conditions could be the cause of an air conditioning system evaporator icing up?
High sea water temperature..
Too low suction pressure.
Low sea water temperature.
Too high discharge pressure.
You have just finished discharging several grades of chemicals. Why is it important that the Chief Officer has considered "solubility" when planning the tank-cleaning programme?
Because it will have indicated if hydrocarbons will still be present on the tank bulkheads after initial cleaning and that a chemical additive may need to be circulated or sprayed afterwards to remove them.
Because it will have shown which tanks need to be cleaned first.
Because it will have indicated if the cargo residues can be cleaned with water alone, or if a chemical additive will be needed to help break them down.
Because it will have indicated how much odour there is likely to be remaining in the tank after cleaning.
What is normally meant by the term 'flammable range' in relation to liquefied gas cargoes carried at sea?
It is the maximum distance from a flammable mixture of the gas that an ignition source could be to still cause the mixture to ignite.
Range between the minimum and maximum concentrations of gas in air which form a flammable mixture.
It is the minimum distance from a burning mixture that other objects or personnel need to be to avoid being burnt.
It is the vertical height that the flames of the burning gas would reach in still air.
A high pressure, oil fired steam boiler operates with an automatic combustion control system for start, stop and modulation of the burners. Which feature of the combustion control system is intended to minimise the risk of blowback during normal operation?
Pre-purge of the furnace prior to burner ignition.
Automatic retraction of the burner after shut off.
Post-purge of the furnace following burner shut off.
Burner shut down in the event of flame failure.
Anyone who makes or permits a false entry to be made in the logbook shall be punished by imprisonment of up to 1 year according to:
The International Maritime Organization's Act of Maritime Activities
The Ship Safety and Security Act - Section 65.
Commissions of Inquiry of Maritime Activities
The Maritime Act
Are membrane tanks self supporting as the independent tanks?
Membrane tanks are self-supporting only when they are loaded
Only the inner membrane is self-supporting
Membrane tanks are not self-supporting
Membrane tanks are self-supporting as the independent tanks
Which of the following cuts of beef is taken from the shoulder?
Rump
Brisket
Chuck
Silverside
A lubricating oil having a high viscosity index number would normally be used in which of the following situations?
When the machinery operates at a very high temperature.
When the machinery operates at a high load.
When the machinery operates at a very low temperature.
When the machinery operates over a wide temperature range.
Which of these statements is incorrect with regard to Ro-Ro cargoes?
Stowage on deck is recommended when ventilation for a particular package is not required
Stowage on deck is recommended when constant supervision is required
Stowage on deck is recommended when there is a substantial risk of the formation of explosive gas mixtures
Stowage on deck is recommended when access to a particular package is required
What is an unsaturated hydrocarbon?
Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically reactive
Unsaturated hydrocarbons are colourless liquids with a sweetish odour, they are chemically non-reactive and have to be carried under high pressure
Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically non-reactive
Unsaturated hydrocarbons are colourless liquids with a sweetish odour and they are chemically reactive
A non-reversing medium speed diesel engine is used to drive a controllable pitch propeller through a pneumatic clutch and reduction gearbox. The engine has been tested and brought up to operating temperatures on engine control. Which of the options given would be the preferred status of the engine and associated equipment when it is handed over to bridge control?
Engine stopped with clutch disengaged and propeller in zero thrust position.
Engine running, clutch disengaged, propeller at zero thrust.
Engine running with clutch engaged and propeller in ahead position.
Engine stopped with clutch disengaged and propeller at zero thrust.
The densities of most hydrocarbon gas mixtures which evolve from normal petroleum products are greater than the density of air. What would be the approximate relative density of a mixture of 50% by volume of air and propane relative to 100% air?
1.8
1.25
2.0
1.55
Under what circumstances may a watch-keeping engineer undertake other duties?
A watch-keeping engineer may undertake other duties when the main propulsion controls are in manual operating mode
A watch-keeping engineer may undertake other duties when the main propulsion system requires constant supervision
A watch-keeping engineer may undertake other duties when he has been properly relieved of his watch-keeping duties
A watch-keeping engineer may undertake other duties when the ship is at sea and the weather is calm
On routine daily inspection you notice that there is a light arcing between an alternator's carbon brushes and rotor sliprings, with alternator operating at 70% load. Should you:
Check the surface of the sliprings, polish if necessary and bed in the brushes
Clean up and increase the tension on the brushes
Move the position of the brushes around the sliprings to find the correct neutral position
Reverse the polarity of the excitation voltage at the brush holder connection
Furniture in stairways and corridors shall be kept to a minimum on board passenger ships, why?
Escape routes must be clear of obstructions and also due to fire protection
It is not allowed to sit in stairways and corridors
Due to fire protection
Passengers will most probably sleep in stairways and corridors if they are furnished
Some specialised vessels, mainly those involved in the carriage of fish, are capable of carriage temperatures as low as minus 60 degree Celsius. From the options given select the one that best describes why such low temperatures are used.
At minus 62 degrees Celsius the eutectic point is reached and all water in the cells is frozen.
Longer transport times are possible and hence less powerful vessels are required.
Higher charter rates can be achieved.
Quick temperature reduction is possible.
What term is applied to the arrangement by which liquid chemicals are stowed on board, so that potentially reactive chemicals are not placed in adjacent compartments?
Segregation.
Diversification.
Pre-stowage.
Separation.
On the figure 4 possible definitions of the term "FORWARD" are given. Which one is the correct one?
Forward is given by B on the figure
Forward is given by C on the figure
Forward is given by A on the figure
Forward is given by D on the figure
What do you understand by: Rig the accommodation ladder in combination with the pilot ladder?
Rig the accommodation ladder in combination with the pilot ladder means: lower the gangway and rig the pilot ladder from the gangway
Rig the accommodation ladder in combination with the pilot ladder means: lower the accommodation ladder and rig the pilot ladder right next to it
Rig the accommodation ladder in combination with the pilot ladder means: lower the gangway
Rig the accommodation ladder in combination with the pilot ladder means: lower the gangway and rig the pilot ladder forward of the accommodation
What can be done to minimize the reduction of GM due to free surface?
Close all watertight doors.
Reduce the number of slack tanks.
Load liquids into only one tank at a time
Load fluids only into tanks with transverse subdivision bulkheads
After loading certain oil cargoes, known as 'static accumulator' cargoes, it is common to wait for the cargo to stop moving within the tank and therefore reach the point at which it will cease generating any further static electricity, before taking any samples or ullages. Which of the following is the typical length of time allowed for this process
120 minutes
30 minutes
75 minutes
2 minutes
Why should elevators not be used in an emergency?
Too few people can be moved in an elevator.
The elevator is reserved for people with special needs.
Power could fail and passengers could be trapped inside.
Engineering will shut down the ship's power and the elevator will be useless.
You are alongside and the hoses have been connected for discharge. The jetty-man shouts across to you, telling you to start cargo. The Duty Officer has not yet given you any instructions to commence. What will you do?
Open the valves and start discharge as soon as possible.
Advise the jetty-man that there is a problem on board and you will notify him when you are ready.
Ignore the jetty-man. Do nothing.
Advise the Duty Officer and await further instructions. Ask the jetty-man to stand by.
The figures show a graphical symbol for a particular electronic component and a typical operating characteristic for the same component. Which component?
Zener diode
Field effect transistor
Triac
Tunnel diode
Modern conventional reefer vessels are designed to carry containers on deck which are usually 40 foot units weighing more than 20 tonnes when stuffed (filled with cargo). For a vessel fitted with deck cranes having a SWL of 19 tonnes which of the options given is the most appropriate method of handling such containers?
Temporarily override the crane's cut outs when handling such containers.
Arrange for a floating crane to be alongside when handling the containers.
Arrange for a mobile crane to be available when handling the containers.
Use an equalising beam with two of the ship's cranes operating in tandem.
Which of the following letter combinations represents a temperature controller on a process and instrumentation diagram?
PIC
TIC
TC
FIC
The IBC Code prescibes certain design conditions for a cargo heating or cooling system. What does it require in respect of pressure within such a system, for any condition other than when it is empty?
That the system must be fitted with automatic control valves that will maintain the inlet pressure at not less than 0.2 bar above the return pressure.
That a higher pressure can be maintained within the system than the maximum pressure head that could be exerted by the contents of the cargo tank on that system.
That an automatic alarm is fitted to alert the operator when the pressure within the system drops to within 0.2 bar of the pressure measured at the lowest located cargo pressure sensor within the tank.
That a lower pressure will be maintained within the system than the actual pressure head that is being exerted by the contents of the cargo tank on that system.
What should you take into consideration when discharging from the cardeck(s)?
Discharge the upper car decks first
Always discharge the cargo on port side first!
To discharge evenly from each side, to avoid heavy list
Discharge the lower car decks first
According to guidance provided by the OCIMF, what is the requirement for bolting/securing blind flanges on the manifolds during cargo operations on an oil tanker?
A bolt to be in every alternate bolt hole, tightened evenly
A minimum of 4 bolts, spaced evenly around the flange
Bolts or clamps to be fitted such that the flange is adequately sealed
A bolt to be in every bolt hole, tightened evenly
When we are measuring level of liquids with a conductivity level indicator, the name of the sensing device is:
Electrodes
Displacement probe
Ionization chamber
Capacitance probe
s
g
d
j
f
According to ISGOTT, which of the following indicates the approximate density ratio of undiluted gas, in relation to air, from a typical crude oil?
Twice that of the air.
0.8 times that of the air (assuming atmospheric pressure above 1000 mb).
1.8 times that of the air.
1.5 times that of the air.
What must be checked before deck cargo is loaded on top of hatch covers on a General Cargo vessel?
The ship must be on an even keel
The ventilators should be opened
The hatch covers must be fully secured to a sea going condition
The deck cranes must always be stowed into sea going position
Which of the following temperature sensors normally gives the highest measuring accuracy?
Thermocouple, NiCrNi
Thermistor, NTC
Resistance sensor, Pt100
Thermistor, PTC
At what temperature should the meat and fish freezers be maintained?
- 20° C
- 25° C
- 30° C
- 10° C
You have just completed the discharge of a cargo of Lube Oil additive and are clearing the ship's lines to shore. What piece of equipment can be fitted between a drain cock and the air line to safely release any excess pressure before disconnecting the air line?
An expansion valve.
A reducer.
A quick-coupling.
A three-way valve.
Select, from the options given, the best method to be used for cleaning a cargo space on a conventional reefer vessel into which the cargo to be loaded is the same as the previous cargo carried.
A quick blow through on the top of the deck gratings with compressed air.
Sweep clean the top of the hatch gratings and lift the gratings to sweep clean below them.
A quick blow through on top of and below the deck gratings with compressed air.
A complete wash down of the cargo space with a suitable cleaning agent.
Transportation of oil at sea can be divided in two groups, which?
Crude oil and fuel oil.
Crude oil and refined products.
Crude oil and black oils.
Crude oil and lubricating oil.
When should a spreader be used for general cargo operations?
When the weight of a load needs to be evenly distributed by the lifting gear
When the length of a load is such that slinging it will create unacceptable bending moments
When the length of a load is such that slinging it will create sagging
When handling open-top containers
Which of the following statements is correct with respect to IMDG cargo, loaded on a General cargo vessel, that is also classed as a Marine Pollutant
This cargo can only be loaded under deck
This cargo can only be loaded on deck
Cargo must be loaded in a protected location and preferably under deck if IMDG Code allows
Cargo of this type can be loaded anywhere on board the vessel
What should you ensure prior to battening down hatches for sea passage?
That cargo hold bilges are empty
That cargo clusters have been removed from all cargo spaces
That cargoes have been stowed according to the stowage plan
That hatch ventilators have been closed
After successful synchronising the kW and kVar loading are respectively transferred by the following controls:
Current regulator and voltage regulator
Speed governor and load power factor
Voltage regulator and synchroscope
Speed governor and voltage regulator
The internal e.m.f. generated in the phase windings of a lightly loaded a.c. generator is controlled by:
The prime mover speed and excitation current.
The internal volt drop and the load current.
The internal volt drop and the residual magnetism.
The prime mover and load current.
Some liquefied gas carriers are fitted with nitrogen generating equipment, often of the membrane module design. What would be the expected purity of the nitrogen produced by such equipment?
87 to 89% pure nitrogen.
90 to 92% pure nitrogen.
100% pure nitrogen.
95 to 97% pure nitrogen.
What should be done if the surface of the loading ramp is oily?
Immediately clean the oil-affected area(s)
Allow cargo operations to continue in the usual manner
Stop cargo operations and inform the master
Wash the oil-affected area(s) using a fire hose
While on boiler watch in the engine room a rating is requested to assist with taking on stores. The task will take about half an hour. What should the rating do?
Just ignore the request to assist with the stores.
Go and help with the stores but go back and check the boiler every 10 minutes.
Raise the boiler water level above normal to make sure there is sufficient water while he is busy with the stores.
Contact the engineering officer of the watch for permission to assist and to arrange a relief for the duration of the store taking.
What is the requirement for isolating slop tanks on combination carriers when cargoes other than liquied cargoes are carried?
Single shut off valve.
Double shut off valves.
A blank flange.
Remove spool piece.
A conventional reefer vessel is to load frozen beef in cartons and also frozen carcass lamb. The vessel has four decks - A being the upper 'tween deck and D being the lowest deck. From the options given select the one that gives the cargo distribution that would result in the largest GM.
Fill decks A and B with frozen beef and decks C and D with frozen carcass lamb.
Fill decks A and C with frozen carcass lamb and decks B and D with frozen beef.
Fill decks A and C with frozen beef and decks B and D with frozen carcass lamb.
Fill decks A and B with frozen carcass lamb and decks C and D with frozen beef.
Which of the following insulation materials that are used onboard gas carriers has the highest diffusion resistance?
Mineral wool.
Polyurethane foam.
Perlite.
Air.
Which of the following is not relevant when handing over a cargo watch?
Prevailing weather conditions
Failure or stoppage of cargo handling equipment
Status of ballasting or de-ballasting operations where applicable
Status of cargo loading or discharge operations
Tank top in engine room has a high quantity of oil residues floating around. When discovered, what action should be taken?
Start the fire pump.
Apply foam to the tank top to minimise the risk of fire.
Notify Ch.Eng., find cause of leakage, remedy the leakage and then immediately start cleaning of the tank top.
Open the overboard valve and start the bilge pump.
What does the image indicate?
The image indicates a passenger ship coming alongside
The image indicates a passenger ship moored port side alongside
The image indicates a passenger ship moored starboard side alongside
The image indicates a passenger ship letting go her mooring lines
What is associated with carrying logs on General Cargo vessels?
Moisture absorption in the cargo holds
Increased levels of oxygen in the cargo holds
Spontaneous combustion
Oxygen depletion in the cargo holds
What will occur within the cargo tank if Crude Oil Washing is undertaken with oil containing a substantial amount of water?
It will be impossible to separate the oil and water at a later stage
Ther will be inadequate drainage due to emulsification
An electrically charged mist may be generated
It will assist in the cleaning of the tank
On the figure 4 possible definitions of the term "UNDER KEEL CLEARANCE" are given. Which one is the correct one?
Under keel clearance is given by D on the figure
Under keel clearance is given by B on the figure
Under keel clearance is given by C on the figure
Under keel clearance is given by A on the figure
Which of the following actions should be done before throwing this type of inflatable liferaft over the side?
Take the top off the container to enable raft to inflate once in the water. If all clear, throw raft over side
Disconnect the painter and launch it, checking that all is clear below
Check that the painter is made fast to a secure point and that the sea below is clear
Inflate it on deck and then launch it if clear below
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